It might be a basic question but I have searched and find no same question.
The question is...
There seems to be contradiction about the back posture for road biking.
Some people suggest arch-backed is correct, but the other people say no no it's not.
Which one is more correct?
[Arch-backed is not correct] Source: http://www.ilovebicycling.com/how-to-fix-back-pain-cycling/